Home / 17,115.50-25,631.32-14,135.71

Finding the Fourth Proportional to 17,115.50, 25,631.32 and 14,135.71

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Solution

The fourth proportional to 17,115.50, 25,631.32 and 14,135.71 is: 21,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.50 : 25,631.32 = 14,135.71 : x
  2. Step 2: Convert to fraction form
    17,115.50/25,631.32 = 14,135.71/x
  3. Step 3: Cross multiply
    17,115.50x = 25,631.32 × 14,135.71
  4. Step 4: Simplify right side
    17,115.50x = 362,316,903.14
  5. Step 5: Solve for x
    x = 362,316,903.14/17,115.50
  6. Step 6: Final answer
    x = 21,168.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.